Summary:
ZIP code 44865 covers the Plymouth, Ohio area, and it contains exactly one high school — Plymouth High School, a grades 9–12 school of 118 students in the Plymouth-Shiloh Local district. Because there is only one school here, the useful comparison for parents is how this school stacks up against the state and against its own past results.
The school's strengths are clear. It ranks 450th of 795 Ohio high schools (43rd percentile) with a 2-star rating, yet its graduates earn a 95.3% graduation rate, and students beat the state proficient rate in English II (72.1% vs. 62.7%), Biology (86.4% vs. 67.0%), American History (78.6% vs. 73.2%), and, in the prior year, American Government. Biology is the standout, running 19.4 points above the state. Class sizes are small, with a student-teacher ratio of 11.8:1 — roughly 10 teachers for 118 students — and 97.46% of students qualify for free or reduced lunch, meaning nearly the entire student body is economically disadvantaged. That above-state performance in most subjects is notable given that context.
Math is the persistent weak spot and the clearest concern. In 2025-26, Algebra I proficiency was 46.5% against the state's 61.6% (−15.1 points), and Geometry was 35.6% against 43.3% (−7.7). Across both years, the school trails the state in math while leading in every other area. Chronic absenteeism is 13.2% — about 1 in 7.6 students — and is 2.6 points above the district figure of 10.6%, which may compound the math gap since math skills build sequentially. One notable detail: for nearly every subject the school and district figures are identical, but in Algebra I the district reports 54% while the high school reports 46.5%, suggesting some stronger-performing students take that test outside this building. Parents should read year-to-year rating swings cautiously, as a school this small can move on a handful of students.
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